670102961004409 has 9 divisors (see below), whose sum is σ = 688704319760751. Its totient is φ = 651991138257960.

The previous prime is 670102961004353. The next prime is 670102961004431. The reversal of 670102961004409 is 904400169201076.

The square root of 670102961004409 is 25886347.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 599617331797225 + 70485629207184 = 24487085^2 + 8395572^2 .

It is not a de Polignac number, because 670102961004409 - 2⁹ = 670102961003897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670102961004109) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 957445024 + ... + 958144654.

It is an arithmetic number, because the mean of its divisors is an integer number (76522702195639).

Almost surely, 2^{670102961004409} is an apocalyptic number.

670102961004409 is the 25886347-th square number.

670102961004409 is the 12943174-th centered octagonal number.

It is an amenable number.

670102961004409 is a deficient number, since it is larger than the sum of its proper divisors (18601358756342).

670102961004409 is an frugal number, since it uses more digits than its factorization.

670102961004409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399336 (or 699668 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 670102961004409 in words is "six hundred seventy trillion, one hundred two billion, nine hundred sixty-one million, four thousand, four hundred nine".